What problems can a salmonella infection cause?
Further problems may occur when the salmonella bacteria also infects the blood and other organs. An untreated salmonella infection may cause one or more of the following: Arthritis (joint swelling). Cholangitis (infection of the gall bladder and bile ducts). Heart or kidney diseases. Meningitis (swelling of the coverings of the brain and spinal cord). Osteomyelitis (bone tissue infection). Pneumonia (lung infection).